Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o ano de entrada para a Universidade de Essex?
 ###Tabelas: CREATE TABLE class_f:_2-8-0 (class_f:_2-8-0_id AUTO_INCREMENT PRIMARY KEY, Class VARCHAR, Wheel arrangement VARCHAR, Fleet number(s) VARCHAR, Manufacturer VARCHAR, Year made VARCHAR, Quantity made VARCHAR, Quantity preserved VARCHAR) CREATE TABLE games_for_zrinjski_in_european_competitions (games_for_zrinjski_in_european_competitions_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Venue VARCHAR, Opponent VARCHAR, Score VARCHAR, Scorers VARCHAR, Competition VARCHAR) CREATE TABLE british_universities_and_colleges_sport (british_universities_and_colleges_sport_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, University VARCHAR, Location VARCHAR, Year entered league INT, 2013–14 division VARCHAR) CREATE TABLE full-time_teams (full-time_teams_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Car(s) VARCHAR, # INT, Driver(s) VARCHAR, Primary Sponsor(s) VARCHAR, Owner(s) VARCHAR, Crew Chief VARCHAR) CREATE TABLE pocket_monsters:_diamond__&__pearl_series (pocket_monsters:_diamond__&__pearl_series_id AUTO_INCREMENT PRIMARY KEY, # INT, Japanese title VARCHAR, Rōmaji VARCHAR, Japanese translation VARCHAR, Vocalist VARCHAR, Episodes used VARCHAR)  
SELECT Year entered league FROM british_universities_and_colleges_sport WHERE University = university of essex